#899DBD
Closest named color: Cool Gray (#8D99AE). oklch(69.2% 0.052 259.7), rgb(137, 157, 189).
Aa
Black text reads best on this color (7.62:1).
About this color
#899DBD is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.052 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.022 away. Black text reads best on it, at 7.62:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.62:1 |
| White text | 2.75:1 |
Values
| HEX | #899DBD |
| RGB | rgb(137, 157, 189) |
| HSL | hsl(217, 28%, 64%) |
| OKLCH | oklch(69.2% 0.052 259.7) |
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 #899DBD | 2.75:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #899DBD | 7.62:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #899DBD text on white | 2.75:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #899DBD text on black | 7.62:1 | AAA | Lc -48.6 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B4C1D6
oklch(80.8% 0.033 260)
-
Step 400
400 (this color)
#899DBD
oklch(69.2% 0.052 259.7)
-
Step 500
500
#728AB2
oklch(63% 0.067 260.5)
-
Step 600
600
#5A749E
oklch(55.6% 0.073 259.8)
-
Step 700
700
#4A6187
oklch(49% 0.067 260.2)
-
Step 800
800
#3D4F6E
oklch(42.6% 0.057 261)
-
Step 900
900
#344259
oklch(37.7% 0.044 260.2)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#899DBD 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) | #929EBF | 0.013 |
| Deuteranopia (no green cones) | #8D9ABC | 0.009 |
| Tritanopia (no blue cones) | #7BA4A7 | 0.048 |
| Achromatopsia (no color) | #9C9C9C | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899DBD
#899DBD
oklch(69.2% 0.052 259.7)
- #AD9977
#AD9977
oklch(69.2% 0.053 80.8)
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 #899DBD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.022
- Bluey Grey #89A0B0 ΔE 0.024
- Bluegrey #85A3B2 ΔE 0.028
- Greyblue #77A1B5 ΔE 0.029
- Cool Steel #97A7B3 ΔE 0.041
- Cool Grey #95A3A6 ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.056
- Blue Grey #758DA3 ΔE 0.061
Use #899DBD 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.