#8299B3
Closest named color: Cool Gray (#8D99AE). oklch(67.4% 0.047 251.7), rgb(130, 153, 179).
Aa
Black text reads best on this color (7.15:1).
About this color
#8299B3 is a medium-light, muted blue. In OKLCH its lightness is 67%, its chroma 0.047 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.016 away. Black text reads best on it, at 7.15:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.15:1 |
| White text | 2.93:1 |
Values
| HEX | #8299B3 |
| RGB | rgb(130, 153, 179) |
| HSL | hsl(212, 24%, 61%) |
| OKLCH | oklch(67.4% 0.047 251.7) |
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 #8299B3 | 2.93:1 | Fails | Lc -61.1 | Content text, not long reading |
| Black text on #8299B3 | 7.15:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #8299B3 text on white | 2.93:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #8299B3 text on black | 7.15:1 | AAA | Lc -46.0 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B3C2D3
oklch(80.8% 0.029 251.5)
-
Step 400
400 (this color)
#8299B3
oklch(67.4% 0.047 251.7)
-
Step 500
500
#6F8CAD
oklch(63% 0.06 252)
-
Step 600
600
#577699
oklch(55.6% 0.065 252)
-
Step 700
700
#476382
oklch(49.1% 0.06 251.6)
-
Step 800
800
#3B516A
oklch(42.8% 0.05 252.1)
-
Step 900
900
#324356
oklch(37.7% 0.039 251.6)
-
Step 950
950
#1E2732
oklch(26.9% 0.024 253.7)
#8299B3 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) | #9099B4 | 0.019 |
| Deuteranopia (no green cones) | #8A94B2 | 0.016 |
| Tritanopia (no blue cones) | #749FA1 | 0.041 |
| Achromatopsia (no color) | #979797 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8299B3
#8299B3
oklch(67.4% 0.047 251.7)
- #A99277
#A99277
oklch(67.4% 0.047 71.4)
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 #8299B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.016
- Greyblue #77A1B5 ΔE 0.024
- Bluey Grey #89A0B0 ΔE 0.024
- Bluegrey #85A3B2 ΔE 0.030
- Silver Lake Blue #778DA9 ΔE 0.038
- Blue Grey #758DA3 ΔE 0.042
- Cool Grey #95A3A6 ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.051
Use #8299B3 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.