#2665A1
Closest named color: Peacock Blue (#016795). oklch(49.7% 0.115 250.5), rgb(38, 101, 161).
Aa
White text reads best on this color (6.07:1).
About this color
#2665A1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.115 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.027 away. White text reads best on it, at 6.07:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.45:1 |
| White text | 6.07:1 |
Values
| HEX | #2665A1 |
| RGB | rgb(38, 101, 161) |
| HSL | hsl(209, 62%, 39%) |
| OKLCH | oklch(49.7% 0.115 250.5) |
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 #2665A1 | 6.07:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #2665A1 | 3.45:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #2665A1 text on white | 6.07:1 | AA | Lc 80.0 | Fine for body text |
| #2665A1 text on black | 3.45:1 | AA large text | Lc -21.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBED
oklch(88.4% 0.031 249.7)
-
Step 300
300
#A6C4E4
oklch(80.9% 0.056 250.2)
-
Step 400
400
#76A5D7
oklch(70.8% 0.089 250.7)
-
Step 500
500
#508DCC
oklch(63% 0.115 250.8)
-
Step 600
600
#3276B9
oklch(55.5% 0.125 250.8)
-
Step 700
700 (this color)
#2665A1
oklch(49.7% 0.115 250.5)
-
Step 800
800
#205181
oklch(42.6% 0.096 250.7)
-
Step 900
900
#204467
oklch(37.8% 0.073 249.8)
-
Step 950
950
#13283D
oklch(27.1% 0.048 250)
#2665A1 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) | #4969A3 | 0.037 |
| Deuteranopia (no green cones) | #375DA0 | 0.025 |
| Tritanopia (no blue cones) | #00737B | 0.085 |
| Achromatopsia (no color) | #626262 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2665A1
#2665A1
oklch(49.7% 0.115 250.5)
- #885600
#885600
oklch(49.7% 0.107 70.8)
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 #2665A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.027
- Mid Blue #276AB3 ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.035
- Denim #3B638C ΔE 0.036
- Dusky Blue #475F94 ΔE 0.036
- French Blue #436BAD ΔE 0.038
- Ocean Blue #03719C ΔE 0.039
- Muted Blue #3B719F ΔE 0.043
Use #2665A1 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.