#9099BF
Closest named color: Cool Gray (#8D99AE). oklch(68.9% 0.057 274.4), rgb(144, 153, 191).
Aa
Black text reads best on this color (7.49:1).
About this color
#9099BF is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.057 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.026 away. Black text reads best on it, at 7.49:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #9099BF |
| RGB | rgb(144, 153, 191) |
| HSL | hsl(229, 27%, 66%) |
| OKLCH | oklch(68.9% 0.057 274.4) |
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 #9099BF | 2.80:1 | Fails | Lc -59.2 | Large or bold text, headings |
| Black text on #9099BF | 7.49:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #9099BF text on white | 2.80:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #9099BF text on black | 7.49:1 | AAA | Lc -47.9 | 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
#E7E9F1
oklch(93.5% 0.011 274.9)
-
Step 200
200
#D5D8E7
oklch(88.4% 0.021 276.9)
-
Step 300
300
#B9BFD8
oklch(80.8% 0.036 274.9)
-
Step 400
400 (this color)
#9099BF
oklch(68.9% 0.057 274.4)
-
Step 500
500
#7C86B6
oklch(63% 0.073 275)
-
Step 600
600
#6570A2
oklch(55.7% 0.079 274.1)
-
Step 700
700
#545D8B
oklch(49.1% 0.075 274.9)
-
Step 800
800
#454C70
oklch(42.6% 0.061 275.1)
-
Step 900
900
#3A405B
oklch(37.8% 0.047 274.3)
-
Step 950
950
#222535
oklch(26.9% 0.03 276)
#9099BF 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) | #8E9CC1 | 0.008 |
| Deuteranopia (no green cones) | #8B99BE | 0.007 |
| Tritanopia (no blue cones) | #84A0A6 | 0.051 |
| Achromatopsia (no color) | #9A9A9A | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9099BF
#9099BF
oklch(68.9% 0.057 274.4)
- #A69B73
#A69B73
oklch(68.9% 0.057 94.6)
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 #9099BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.026
- Bluey Grey #89A0B0 ΔE 0.035
- Bluegrey #85A3B2 ΔE 0.041
- Greyblue #77A1B5 ΔE 0.043
- Cool Steel #97A7B3 ΔE 0.049
- Cool Grey #95A3A6 ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.056
- Heather #A484AC ΔE 0.059
Use #9099BF 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.