#276590
Closest named color: Peacock Blue (#016795). oklch(48.7% 0.094 242.6), rgb(39, 101, 144).
Aa
White text reads best on this color (6.26:1).
About this color
#276590 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.094 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.016 away. White text reads best on it, at 6.26:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.35:1 |
| White text | 6.26:1 |
Values
| HEX | #276590 |
| RGB | rgb(39, 101, 144) |
| HSL | hsl(205, 57%, 36%) |
| OKLCH | oklch(48.7% 0.094 242.6) |
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 #276590 | 6.26:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #276590 | 3.35:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #276590 text on white | 6.26:1 | AA | Lc 80.9 | Fine for body text |
| #276590 text on black | 3.35:1 | AA large text | Lc -20.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CBDCE9
oklch(88.6% 0.026 240.7)
-
Step 300
300
#A8C5DC
oklch(80.9% 0.045 242.1)
-
Step 400
400
#78A6CA
oklch(70.6% 0.072 242.6)
-
Step 500
500
#5490BD
oklch(63.1% 0.093 242.6)
-
Step 600
600
#3679A9
oklch(55.5% 0.101 242.8)
-
Step 700
700 (this color)
#276590
oklch(48.7% 0.094 242.6)
-
Step 800
800
#235376
oklch(42.6% 0.078 243.2)
-
Step 900
900
#22455F
oklch(37.7% 0.06 242.8)
-
Step 950
950
#152938
oklch(27.2% 0.038 242.4)
#276590 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) | #516692 | 0.044 |
| Deuteranopia (no green cones) | #435C8F | 0.035 |
| Tritanopia (no blue cones) | #007074 | 0.067 |
| Achromatopsia (no color) | #606060 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #276590
#276590
oklch(48.7% 0.094 242.6)
- #85521F
#85521F
oklch(48.7% 0.094 62)
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 #276590, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.016
- Denim #3B638C ΔE 0.018
- Light Navy Blue #2E5A88 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.033
- Dusky Blue #475F94 ΔE 0.036
- Ocean Blue #03719C ΔE 0.036
- Sea Blue #047495 ΔE 0.044
- Muted Blue #3B719F ΔE 0.045
Use #276590 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.