#899BC6
Closest named color: Cool Gray (#8D99AE). oklch(69.1% 0.067 267), rgb(137, 155, 198).
Aa
Black text reads best on this color (7.56:1).
About this color
#899BC6 is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.067 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.035 away. Black text reads best on it, at 7.56:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.56:1 |
| White text | 2.77:1 |
Values
| HEX | #899BC6 |
| RGB | rgb(137, 155, 198) |
| HSL | hsl(222, 35%, 66%) |
| OKLCH | oklch(69.1% 0.067 267) |
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 #899BC6 | 2.77:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #899BC6 | 7.56:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #899BC6 text on white | 2.77:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #899BC6 text on black | 7.56:1 | 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
#B4C0DC
oklch(80.8% 0.042 267)
-
Step 400
400 (this color)
#899BC6
oklch(69.1% 0.067 267)
-
Step 500
500
#7288BE
oklch(63.1% 0.086 266.9)
-
Step 600
600
#5B71AA
oklch(55.6% 0.093 267.3)
-
Step 700
700
#4A5F92
oklch(49.2% 0.086 266.3)
-
Step 800
800
#3D4D76
oklch(42.6% 0.071 267.1)
-
Step 900
900
#34415F
oklch(37.8% 0.054 265.9)
-
Step 950
950
#1F2638
oklch(27.1% 0.035 267.7)
#899BC6 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) | #8D9EC8 | 0.010 |
| Deuteranopia (no green cones) | #8899C5 | 0.006 |
| Tritanopia (no blue cones) | #78A4AA | 0.060 |
| Achromatopsia (no color) | #9B9B9B | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899BC6
#899BC6
oklch(69.1% 0.067 267)
- #AE996B
#AE996B
oklch(69% 0.067 86.1)
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 #899BC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.035
- Bluey Grey #89A0B0 ΔE 0.040
- Greyblue #77A1B5 ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.043
- Cool Steel #97A7B3 ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.059
- Cool Grey #95A3A6 ΔE 0.061
- Faded Blue #658CBB ΔE 0.066
Use #899BC6 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.