#274691
Closest named color: Cobalt (#1E488F). oklch(41.5% 0.129 264.5), rgb(39, 70, 145).
Aa
White text reads best on this color (8.85:1).
About this color
#274691 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.129 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.010 away. White text reads best on it, at 8.85:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.37:1 |
| White text | 8.85:1 |
Values
| HEX | #274691 |
| RGB | rgb(39, 70, 145) |
| HSL | hsl(222, 58%, 36%) |
| OKLCH | oklch(41.5% 0.129 264.5) |
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 #274691 | 8.85:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #274691 | 2.37:1 | Fails | Lc 14.1 | Not readable |
| #274691 text on white | 8.85:1 | AAA | Lc 89.9 | Fine for body text |
| #274691 text on black | 2.37:1 | Fails | Lc -12.4 | Not readable |
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 800.
-
Step 50
50
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CBD9F6
oklch(88.4% 0.043 265)
-
Step 300
300
#A8C1F2
oklch(80.9% 0.075 263.7)
-
Step 400
400
#7B9FEC
oklch(70.8% 0.12 264.4)
-
Step 500
500
#5A85E6
oklch(63.2% 0.154 264.4)
-
Step 600
600
#406CD4
oklch(55.6% 0.168 264.4)
-
Step 700
700
#3259B8
oklch(49% 0.157 264.5)
-
Step 800
800 (this color)
#274691
oklch(41.5% 0.129 264.5)
-
Step 900
900
#263E77
oklch(37.7% 0.102 264.8)
-
Step 950
950
#162545
oklch(27% 0.063 263.8)
#274691 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) | #194F94 | 0.025 |
| Deuteranopia (no green cones) | #00458F | 0.026 |
| Tritanopia (no blue cones) | #005864 | 0.105 |
| Achromatopsia (no color) | #4A4A4A | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274691
#274691
oklch(41.5% 0.129 264.5)
- #614700
#614700
oklch(41.5% 0.085 84.6)
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 #274691, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.010
- Dusk Blue #26538D ΔE 0.039
- Light Navy #155084 ΔE 0.040
- Blueberry #464196 ΔE 0.042
- Twilight Blue #0A437A ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.053
- Sapphire #2138AB ΔE 0.056
Use #274691 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.