#115EA1
Closest named color: Peacock Blue (#016795). oklch(47.5% 0.128 250.8), rgb(17, 94, 161).
Aa
White text reads best on this color (6.68:1).
About this color
#115EA1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.128 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.036 away. White text reads best on it, at 6.68:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.13:1 |
| White text | 6.68:1 |
Values
| HEX | #115EA1 |
| RGB | rgb(17, 94, 161) |
| HSL | hsl(208, 81%, 35%) |
| OKLCH | oklch(47.5% 0.128 250.8) |
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 #115EA1 | 6.68:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #115EA1 | 3.13:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #115EA1 text on white | 6.68:1 | AA | Lc 82.5 | Fine for body text |
| #115EA1 text on black | 3.13:1 | AA large text | Lc -19.4 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300
#A3C4E8
oklch(80.8% 0.062 250.8)
-
Step 400
400
#70A5DD
oklch(70.7% 0.1 250.7)
-
Step 500
500
#488DD3
oklch(63% 0.127 250.8)
-
Step 600
600
#2776C0
oklch(55.6% 0.137 250.7)
-
Step 700
700 (this color)
#115EA1
oklch(47.5% 0.128 250.8)
-
Step 800
800
#185187
oklch(42.8% 0.107 251)
-
Step 900
900
#1B436C
oklch(37.6% 0.084 251.5)
-
Step 950
950
#11283F
oklch(27.1% 0.052 250.3)
#115EA1 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) | #3C63A4 | 0.037 |
| Deuteranopia (no green cones) | #2356A0 | 0.023 |
| Tritanopia (no blue cones) | #006E77 | 0.094 |
| Achromatopsia (no color) | #5C5C5C | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #115EA1
#115EA1
oklch(47.5% 0.128 250.8)
- #805000
#805000
oklch(47.5% 0.103 70.2)
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 #115EA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.037
- Dusk Blue #26538D ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.042
- Mid Blue #276AB3 ΔE 0.046
- Dusky Blue #475F94 ΔE 0.049
- Denim #3B638C ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.056
Use #115EA1 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.