#819ABE
Closest named color: Cool Gray (#8D99AE). oklch(68% 0.061 257.5), rgb(129, 154, 190).
Aa
Black text reads best on this color (7.29:1).
About this color
#819ABE is a medium-light, muted blue. In OKLCH its lightness is 68%, its chroma 0.061 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.027 away. Black text reads best on it, at 7.29:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.29:1 |
| White text | 2.87:1 |
Values
| HEX | #819ABE |
| RGB | rgb(129, 154, 190) |
| HSL | hsl(215, 32%, 63%) |
| OKLCH | oklch(68% 0.061 257.5) |
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 #819ABE | 2.87:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #819ABE | 7.29:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #819ABE text on white | 2.87:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #819ABE text on black | 7.29:1 | AAA | Lc -46.8 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300
#B2C2D9
oklch(80.9% 0.037 257.4)
-
Step 400
400 (this color)
#819ABE
oklch(68% 0.061 257.5)
-
Step 500
500
#6C8BB8
oklch(63.1% 0.077 257.6)
-
Step 600
600
#5375A4
oklch(55.7% 0.083 256.6)
-
Step 700
700
#44628D
oklch(49.2% 0.078 257.4)
-
Step 800
800
#385072
oklch(42.7% 0.064 257.1)
-
Step 900
900
#30425C
oklch(37.6% 0.051 257.5)
-
Step 950
950
#1C2736
oklch(27% 0.032 256.3)
#819ABE 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) | #8D9CC0 | 0.017 |
| Deuteranopia (no green cones) | #8796BD | 0.012 |
| Tritanopia (no blue cones) | #6FA2A6 | 0.054 |
| Achromatopsia (no color) | #989898 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #819ABE
#819ABE
oklch(68% 0.061 257.5)
- #AD946E
#AD946E
oklch(68% 0.06 77.9)
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 #819ABE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.027
- Greyblue #77A1B5 ΔE 0.029
- Bluey Grey #89A0B0 ΔE 0.033
- Bluegrey #85A3B2 ΔE 0.036
- Silver Lake Blue #778DA9 ΔE 0.045
- Blue Grey #758DA3 ΔE 0.052
- Cool Steel #97A7B3 ΔE 0.054
- Faded Blue #658CBB ΔE 0.055
Use #819ABE 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.