#899BC5
Closest named color: Cool Gray (#8D99AE). oklch(69.1% 0.065 266.6), rgb(137, 155, 197).
Aa
Black text reads best on this color (7.55:1).
About this color
#899BC5 is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.065 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.033 away. Black text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.55:1 |
| White text | 2.77:1 |
Values
| HEX | #899BC5 |
| RGB | rgb(137, 155, 197) |
| HSL | hsl(222, 34%, 65%) |
| OKLCH | oklch(69.1% 0.065 266.6) |
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 #899BC5 | 2.77:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #899BC5 | 7.55:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #899BC5 text on white | 2.77:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #899BC5 text on black | 7.55:1 | AAA | Lc -48.3 | 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
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E9
oklch(88.5% 0.023 266.9)
-
Step 300
300
#B4C1DC
oklch(81% 0.041 265)
-
Step 400
400 (this color)
#899BC5
oklch(69.1% 0.065 266.6)
-
Step 500
500
#7288BD
oklch(63.1% 0.084 266.7)
-
Step 600
600
#5B71A9
oklch(55.5% 0.091 267.1)
-
Step 700
700
#4B5F91
oklch(49.2% 0.084 266.7)
-
Step 800
800
#3D4E76
oklch(42.8% 0.07 266)
-
Step 900
900
#34415F
oklch(37.8% 0.054 265.9)
-
Step 950
950
#1F2638
oklch(27.1% 0.035 267.7)
#899BC5 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) | #8E9EC7 | 0.011 |
| Deuteranopia (no green cones) | #8899C4 | 0.006 |
| Tritanopia (no blue cones) | #78A3A9 | 0.058 |
| Achromatopsia (no color) | #9B9B9B | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899BC5
#899BC5
oklch(69.1% 0.065 266.6)
- #AD996C
#AD996C
oklch(69% 0.066 86.7)
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 #899BC5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.033
- Bluey Grey #89A0B0 ΔE 0.038
- Greyblue #77A1B5 ΔE 0.040
- Bluegrey #85A3B2 ΔE 0.042
- Cool Steel #97A7B3 ΔE 0.053
- Silver Lake Blue #778DA9 ΔE 0.058
- Cool Grey #95A3A6 ΔE 0.059
- Blue Grey #758DA3 ΔE 0.065
Use #899BC5 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.