#819EA4
Closest named color: Bluey Grey (#89A0B0). oklch(67.9% 0.033 211.6), rgb(129, 158, 164).
Aa
Black text reads best on this color (7.36:1).
About this color
#819EA4 is a medium-light, muted teal or cyan. In OKLCH its lightness is 68%, its chroma 0.033 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.021 away. Black text reads best on it, at 7.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 7.36:1 |
| White text | 2.85:1 |
Values
| HEX | #819EA4 |
| RGB | rgb(129, 158, 164) |
| HSL | hsl(190, 16%, 57%) |
| OKLCH | oklch(67.9% 0.033 211.6) |
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 #819EA4 | 2.85:1 | Fails | Lc -60.0 | Large or bold text, headings |
| Black text on #819EA4 | 7.36:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #819EA4 text on white | 2.85:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #819EA4 text on black | 7.36:1 | AAA | Lc -47.2 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D1DBDD
oklch(88.4% 0.011 211)
-
Step 300
300
#B2C4C8
oklch(80.8% 0.02 212.6)
-
Step 400
400 (this color)
#819EA4
oklch(67.9% 0.033 211.6)
-
Step 500
500
#6C9198
oklch(63.2% 0.042 210.5)
-
Step 600
600
#537B83
oklch(55.6% 0.046 211.5)
-
Step 700
700
#43686F
oklch(49.2% 0.043 210.7)
-
Step 800
800
#37545A
oklch(42.5% 0.036 212)
-
Step 900
900
#30464A
oklch(37.8% 0.028 210)
-
Step 950
950
#1C292B
oklch(27% 0.018 207.9)
#819EA4 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) | #999CA4 | 0.032 |
| Deuteranopia (no green cones) | #9397A4 | 0.029 |
| Tritanopia (no blue cones) | #77A1A0 | 0.017 |
| Achromatopsia (no color) | #999999 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #819EA4
#819EA4
oklch(67.9% 0.033 211.6)
- #AC918B
#AC918B
oklch(67.9% 0.034 32.6)
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 #819EA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.021
- Bluegrey #85A3B2 ΔE 0.023
- Greyblue #77A1B5 ΔE 0.025
- Cool Gray #8D99AE ΔE 0.029
- Cool Grey #95A3A6 ΔE 0.031
- Cadet Blue #5F9EA0 ΔE 0.040
- Pewter #96A8A1 ΔE 0.042
- Cool Steel #97A7B3 ΔE 0.044
Use #819EA4 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.