#27689A
Closest named color: Peacock Blue (#016795). oklch(50% 0.103 245.4), rgb(39, 104, 154).
Aa
White text reads best on this color (5.94:1).
About this color
#27689A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.103 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.019 away. White text reads best on it, at 5.94:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #27689A |
| RGB | rgb(39, 104, 154) |
| HSL | hsl(206, 60%, 38%) |
| OKLCH | oklch(50% 0.103 245.4) |
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 #27689A | 5.94:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #27689A | 3.53:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #27689A text on white | 5.94:1 | AA | Lc 79.4 | Fine for body text |
| #27689A text on black | 3.53:1 | AA large text | Lc -22.4 | 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
#CBDCEB
oklch(88.6% 0.028 244.7)
-
Step 300
300
#A7C5DF
oklch(81% 0.049 244.6)
-
Step 400
400
#76A6D0
oklch(70.7% 0.08 245.7)
-
Step 500
500
#518FC3
oklch(63% 0.102 245.7)
-
Step 600
600
#3279B0
oklch(55.7% 0.111 245.2)
-
Step 700
700 (this color)
#27689A
oklch(50% 0.103 245.4)
-
Step 800
800
#20537B
oklch(42.8% 0.086 245.5)
-
Step 900
900
#204563
oklch(37.8% 0.067 245.4)
-
Step 950
950
#14283A
oklch(26.9% 0.043 247.2)
#27689A 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) | #516A9C | 0.043 |
| Deuteranopia (no green cones) | #415F99 | 0.032 |
| Tritanopia (no blue cones) | #00747A | 0.074 |
| Achromatopsia (no color) | #646464 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27689A
#27689A
oklch(50% 0.103 245.4)
- #8B5514
#8B5514
oklch(50% 0.104 64.9)
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 #27689A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.019
- Denim #3B638C ΔE 0.027
- Ocean Blue #03719C ΔE 0.027
- Muted Blue #3B719F ΔE 0.034
- Dusky Blue #475F94 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.038
- Sea Blue #047495 ΔE 0.039
- Mid Blue #276AB3 ΔE 0.040
Use #27689A 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.