#819EBD
Closest named color: Greyblue (#77A1B5). oklch(68.8% 0.056 250.4), rgb(129, 158, 189).
Aa
Black text reads best on this color (7.55:1).
About this color
#819EBD is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.056 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.021 away. Black text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.55:1 |
| White text | 2.77:1 |
Values
| HEX | #819EBD |
| RGB | rgb(129, 158, 189) |
| HSL | hsl(211, 31%, 62%) |
| OKLCH | oklch(68.8% 0.056 250.4) |
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 #819EBD | 2.77:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #819EBD | 7.55:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #819EBD text on white | 2.77:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #819EBD text on black | 7.55:1 | AAA | Lc -48.3 | 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
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B0C3D7
oklch(80.9% 0.035 249.6)
-
Step 400
400 (this color)
#819EBD
oklch(68.8% 0.056 250.4)
-
Step 500
500
#688DB4
oklch(63.1% 0.072 250.3)
-
Step 600
600
#4F77A0
oklch(55.7% 0.078 250)
-
Step 700
700
#406489
oklch(49.2% 0.073 250.1)
-
Step 800
800
#35516F
oklch(42.6% 0.061 251)
-
Step 900
900
#2E435A
oklch(37.6% 0.048 251.4)
-
Step 950
950
#1B2835
oklch(27.1% 0.03 249)
#819EBD 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) | #929FBF | 0.023 |
| Deuteranopia (no green cones) | #8B98BC | 0.019 |
| Tritanopia (no blue cones) | #6FA5A8 | 0.048 |
| Achromatopsia (no color) | #9B9B9B | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #819EBD
#819EBD
oklch(68.8% 0.056 250.4)
- #B29575
#B29575
oklch(68.8% 0.056 69.4)
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 #819EBD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.021
- Bluey Grey #89A0B0 ΔE 0.024
- Cool Gray #8D99AE ΔE 0.025
- Bluegrey #85A3B2 ΔE 0.025
- Cool Steel #97A7B3 ΔE 0.045
- Cool Grey #95A3A6 ΔE 0.048
- Silver Lake Blue #778DA9 ΔE 0.053
- Blue Grey #758DA3 ΔE 0.057
Use #819EBD 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.