#899FCC
Closest named color: Cool Gray (#8D99AE). oklch(70.2% 0.071 264.4), rgb(137, 159, 204).
Aa
Black text reads best on this color (7.89:1).
About this color
#899FCC is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.071 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.043 away. Black text reads best on it, at 7.89:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.89:1 |
| White text | 2.65:1 |
Values
| HEX | #899FCC |
| RGB | rgb(137, 159, 204) |
| HSL | hsl(220, 40%, 67%) |
| OKLCH | oklch(70.2% 0.071 264.4) |
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 #899FCC | 2.65:1 | Fails | Lc -56.9 | Large or bold text, headings |
| Black text on #899FCC | 7.89:1 | AAA | Lc 52.3 | Large or bold text, headings |
| #899FCC text on white | 2.65:1 | Fails | Lc 51.7 | Large or bold text, headings |
| #899FCC text on black | 7.89:1 | AAA | Lc -50.2 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B2C1DE
oklch(80.9% 0.044 263.6)
-
Step 400
400 (this color)
#899FCC
oklch(70.2% 0.071 264.4)
-
Step 500
500
#6E89C1
oklch(63.2% 0.09 264.2)
-
Step 600
600
#5672AD
oklch(55.6% 0.098 264.1)
-
Step 700
700
#465F95
oklch(49.1% 0.092 264.4)
-
Step 800
800
#3A4E79
oklch(42.8% 0.076 264.4)
-
Step 900
900
#324161
oklch(37.7% 0.059 264.6)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#899FCC 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) | #90A2CE | 0.013 |
| Deuteranopia (no green cones) | #8A9CCB | 0.008 |
| Tritanopia (no blue cones) | #75A8AE | 0.064 |
| Achromatopsia (no color) | #9F9F9F | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899FCC
#899FCC
oklch(70.2% 0.071 264.4)
- #B49C6C
#B49C6C
oklch(70.3% 0.071 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 #899FCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.043
- Greyblue #77A1B5 ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.045
- Cool Steel #97A7B3 ΔE 0.052
- Cool Grey #95A3A6 ΔE 0.062
- Silver Lake Blue #778DA9 ΔE 0.070
- Perrywinkle #8F8CE7 ΔE 0.073
Use #899FCC 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.