#898B99
Closest named color: Light Slate Gray (#778899). oklch(64% 0.021 279.3), rgb(137, 139, 153).
Aa
Black text reads best on this color (6.21:1).
About this color
#898B99 is a medium-light close to neutral grey. In OKLCH its lightness is 64%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.027 away. Black text reads best on it, at 6.21:1.
| Hue family | Neutrals |
| Lightness | medium-light (64%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 6.21:1 |
| White text | 3.37:1 |
Values
| HEX | #898B99 |
| RGB | rgb(137, 139, 153) |
| HSL | hsl(233, 7%, 57%) |
| OKLCH | oklch(64% 0.021 279.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #898B99 | 3.37:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #898B99 | 6.21:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #898B99 text on white | 3.37:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #898B99 text on black | 6.21:1 | AA | Lc -40.4 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D8D9DD
oklch(88.6% 0.006 275)
-
Step 300
300
#BFC0C7
oklch(80.9% 0.01 279.7)
-
Step 400
400
#9EA0AB
oklch(70.8% 0.016 277.7)
-
Step 500
500 (this color)
#898B99
oklch(64% 0.021 279.3)
-
Step 600
600
#707281
oklch(55.6% 0.023 279.6)
-
Step 700
700
#5E606D
oklch(49.2% 0.021 278.7)
-
Step 800
800
#4D4E59
oklch(42.7% 0.018 281.5)
-
Step 900
900
#404149
oklch(37.7% 0.014 280.1)
-
Step 950
950
#25262B
oklch(27% 0.009 276.8)
#898B99 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #888C9A | 0.003 |
| Deuteranopia (no green cones) | #878B99 | 0.003 |
| Tritanopia (no blue cones) | #868D8F | 0.019 |
| Achromatopsia (no color) | #8C8C8C | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #898B99
#898B99
oklch(64% 0.021 279.3)
- #8F8D7E
#8F8D7E
oklch(64.1% 0.022 100.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #898B99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.027
- Blue Grey #758DA3 ΔE 0.029
- Silver Lake Blue #778DA9 ΔE 0.032
- Warm Grey #978A84 ΔE 0.035
- Purpley Grey #947E94 ΔE 0.037
- Steel #738595 ΔE 0.037
- English Lavender #9D8189 ΔE 0.039
- Lavender Gray #7E7F9A ΔE 0.040
Use #898B99 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.