#899DC7
Closest named color: Cool Gray (#8D99AE). oklch(69.6% 0.066 264.9), rgb(137, 157, 199).
Aa
Black text reads best on this color (7.71:1).
About this color
#899DC7 is a medium-light, muted blue. In OKLCH its lightness is 70%, its chroma 0.066 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.036 away. Black text reads best on it, at 7.71:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.71:1 |
| White text | 2.72:1 |
Values
| HEX | #899DC7 |
| RGB | rgb(137, 157, 199) |
| HSL | hsl(221, 36%, 66%) |
| OKLCH | oklch(69.6% 0.066 264.9) |
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 #899DC7 | 2.72:1 | Fails | Lc -57.9 | Large or bold text, headings |
| Black text on #899DC7 | 7.71:1 | AAA | Lc 51.3 | Large or bold text, headings |
| #899DC7 text on white | 2.72:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #899DC7 text on black | 7.71:1 | AAA | Lc -49.1 | 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)
#899DC7
oklch(69.6% 0.066 264.9)
-
Step 500
500
#7089BD
oklch(63.1% 0.084 264.4)
-
Step 600
600
#5972A9
oklch(55.6% 0.091 264.9)
-
Step 700
700
#495F91
oklch(49% 0.085 265.3)
-
Step 800
800
#3C4E76
oklch(42.7% 0.071 265.1)
-
Step 900
900
#33415F
oklch(37.7% 0.055 264.7)
-
Step 950
950
#1E2638
oklch(27% 0.036 265.6)
#899DC7 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) | #8FA0C9 | 0.012 |
| Deuteranopia (no green cones) | #899AC6 | 0.008 |
| Tritanopia (no blue cones) | #77A5AB | 0.059 |
| Achromatopsia (no color) | #9D9D9D | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899DC7
#899DC7
oklch(69.6% 0.066 264.9)
- #B09A6E
#B09A6E
oklch(69.5% 0.065 84.2)
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 #899DC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.036
- Bluey Grey #89A0B0 ΔE 0.038
- Greyblue #77A1B5 ΔE 0.040
- Bluegrey #85A3B2 ΔE 0.041
- Cool Steel #97A7B3 ΔE 0.051
- Cool Grey #95A3A6 ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.063
- Faded Blue #658CBB ΔE 0.069
Use #899DC7 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.