#899BC8
Closest named color: Cool Gray (#8D99AE). oklch(69.2% 0.07 267.6), rgb(137, 155, 200).
Aa
Black text reads best on this color (7.58:1).
About this color
#899BC8 is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.070 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.038 away. Black text reads best on it, at 7.58:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.58:1 |
| White text | 2.76:1 |
Values
| HEX | #899BC8 |
| RGB | rgb(137, 155, 200) |
| HSL | hsl(223, 36%, 66%) |
| OKLCH | oklch(69.2% 0.07 267.6) |
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 #899BC8 | 2.76:1 | Fails | Lc -58.6 | Large or bold text, headings |
| Black text on #899BC8 | 7.58:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #899BC8 text on white | 2.76:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #899BC8 text on black | 7.58:1 | AAA | Lc -48.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EA
oklch(88.5% 0.025 267.9)
-
Step 300
300
#B4C0DE
oklch(80.8% 0.044 268.1)
-
Step 400
400 (this color)
#899BC8
oklch(69.2% 0.07 267.6)
-
Step 500
500
#7288C0
oklch(63.2% 0.089 267.4)
-
Step 600
600
#5A71AC
oklch(55.6% 0.096 267.1)
-
Step 700
700
#4A5E94
oklch(49% 0.09 267.6)
-
Step 800
800
#3D4D78
oklch(42.7% 0.075 267.7)
-
Step 900
900
#344061
oklch(37.6% 0.059 268.2)
-
Step 950
950
#1F2639
oklch(27.1% 0.037 268.4)
#899BC8 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) | #8D9ECA | 0.010 |
| Deuteranopia (no green cones) | #8799C7 | 0.006 |
| Tritanopia (no blue cones) | #77A4AA | 0.063 |
| Achromatopsia (no color) | #9B9B9B | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899BC8
#899BC8
oklch(69.2% 0.07 267.6)
- #AE9A69
#AE9A69
oklch(69.2% 0.07 88.3)
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 #899BC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.038
- Bluey Grey #89A0B0 ΔE 0.043
- Greyblue #77A1B5 ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.046
- Cool Steel #97A7B3 ΔE 0.056
- Silver Lake Blue #778DA9 ΔE 0.061
- Cool Grey #95A3A6 ΔE 0.063
- Faded Blue #658CBB ΔE 0.066
Use #899BC8 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.