#2A689D
Closest named color: Peacock Blue (#016795). oklch(50.3% 0.106 247.7), rgb(42, 104, 157).
Aa
White text reads best on this color (5.88:1).
About this color
#2A689D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.106 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.024 away. White text reads best on it, at 5.88:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.56:1 |
| White text | 5.88:1 |
Values
| HEX | #2A689D |
| RGB | rgb(42, 104, 157) |
| HSL | hsl(208, 58%, 39%) |
| OKLCH | oklch(50.3% 0.106 247.7) |
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 #2A689D | 5.88:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #2A689D | 3.56:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #2A689D text on white | 5.88:1 | AA | Lc 79.2 | Fine for body text |
| #2A689D text on black | 3.56:1 | AA large text | Lc -22.6 | 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
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDBEB
oklch(88.4% 0.028 248.1)
-
Step 300
300
#A7C4E1
oklch(80.8% 0.052 248.5)
-
Step 400
400
#77A5D1
oklch(70.6% 0.082 247.9)
-
Step 500
500
#528FC6
oklch(63.2% 0.105 247.5)
-
Step 600
600
#3478B2
oklch(55.6% 0.113 247.4)
-
Step 700
700 (this color)
#2A689D
oklch(50.3% 0.106 247.7)
-
Step 800
800
#21527C
oklch(42.6% 0.088 247.5)
-
Step 900
900
#214464
oklch(37.6% 0.069 248.2)
-
Step 950
950
#14283A
oklch(26.9% 0.043 247.2)
#2A689D 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) | #506A9F | 0.040 |
| Deuteranopia (no green cones) | #405F9C | 0.030 |
| Tritanopia (no blue cones) | #00757B | 0.079 |
| Achromatopsia (no color) | #646464 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A689D
#2A689D
oklch(50.3% 0.106 247.7)
- #8B570D
#8B570D
oklch(50.4% 0.105 68.2)
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 #2A689D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.024
- Ocean Blue #03719C ΔE 0.029
- Denim #3B638C ΔE 0.029
- Muted Blue #3B719F ΔE 0.032
- Mid Blue #276AB3 ΔE 0.035
- Dusky Blue #475F94 ΔE 0.035
- French Blue #436BAD ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.038
Use #2A689D 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.