#899FCA
Closest named color: Cool Gray (#8D99AE). oklch(70.1% 0.068 263.6), rgb(137, 159, 202).
Aa
Black text reads best on this color (7.87:1).
About this color
#899FCA is a medium-light, muted blue. In OKLCH its lightness is 70%, its chroma 0.068 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.040 away. Black text reads best on it, at 7.87:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.87:1 |
| White text | 2.66:1 |
Values
| HEX | #899FCA |
| RGB | rgb(137, 159, 202) |
| HSL | hsl(220, 38%, 66%) |
| OKLCH | oklch(70.1% 0.068 263.6) |
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 #899FCA | 2.66:1 | Fails | Lc -57.0 | Large or bold text, headings |
| Black text on #899FCA | 7.87:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #899FCA text on white | 2.66:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #899FCA text on black | 7.87:1 | AAA | Lc -50.1 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1D9E9
oklch(88.4% 0.024 264.4)
-
Step 300
300
#B3C1DD
oklch(80.9% 0.043 264.3)
-
Step 400
400 (this color)
#899FCA
oklch(70.1% 0.068 263.6)
-
Step 500
500
#6E89BF
oklch(63.1% 0.088 263.6)
-
Step 600
600
#5672AB
oklch(55.5% 0.095 263.6)
-
Step 700
700
#466093
oklch(49.2% 0.088 263)
-
Step 800
800
#3A4E77
oklch(42.7% 0.073 263.8)
-
Step 900
900
#324160
oklch(37.7% 0.057 264.1)
-
Step 950
950
#1D2638
oklch(26.9% 0.036 263.7)
#899FCA 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) | #91A2CC | 0.014 |
| Deuteranopia (no green cones) | #8A9CC9 | 0.008 |
| Tritanopia (no blue cones) | #76A8AD | 0.062 |
| Achromatopsia (no color) | #9E9E9E | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899FCA
#899FCA
oklch(70.1% 0.068 263.6)
- #B39C6E
#B39C6E
oklch(70.2% 0.068 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 #899FCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.040
- Bluey Grey #89A0B0 ΔE 0.040
- Bluegrey #85A3B2 ΔE 0.042
- Greyblue #77A1B5 ΔE 0.042
- Cool Steel #97A7B3 ΔE 0.050
- Cool Grey #95A3A6 ΔE 0.059
- Silver Lake Blue #778DA9 ΔE 0.068
- Faded Blue #658CBB ΔE 0.074
Use #899FCA 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.