#2E5597
Closest named color: Dusk Blue (#26538D). oklch(45.6% 0.117 260.3), rgb(46, 85, 151).
Aa
White text reads best on this color (7.33:1).
About this color
#2E5597 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.117 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.019 away. White text reads best on it, at 7.33:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #2E5597 |
| RGB | rgb(46, 85, 151) |
| HSL | hsl(218, 53%, 39%) |
| OKLCH | oklch(45.6% 0.117 260.3) |
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 #2E5597 | 7.33:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #2E5597 | 2.86:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #2E5597 text on white | 7.33:1 | AAA | Lc 85.2 | Fine for body text |
| #2E5597 text on black | 2.86:1 | Fails | Lc -16.8 | 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 800.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF7
oklch(93.5% 0.02 260.2)
-
Step 200
200
#CBDAF3
oklch(88.5% 0.038 260.7)
-
Step 300
300
#A7C2ED
oklch(80.9% 0.068 259.6)
-
Step 400
400
#78A1E5
oklch(70.7% 0.11 260.2)
-
Step 500
500
#5688DD
oklch(63.1% 0.14 260.4)
-
Step 600
600
#3B70CB
oklch(55.6% 0.152 260.4)
-
Step 700
700
#2D5DAF
oklch(49% 0.141 260.4)
-
Step 800
800 (this color)
#2E5597
oklch(45.6% 0.117 260.3)
-
Step 900
900
#234071
oklch(37.6% 0.091 260.3)
-
Step 950
950
#152642
oklch(27% 0.057 259.9)
#2E5597 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) | #365B9A | 0.020 |
| Deuteranopia (no green cones) | #245296 | 0.014 |
| Tritanopia (no blue cones) | #00646E | 0.094 |
| Achromatopsia (no color) | #565656 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E5597
#2E5597
oklch(45.6% 0.117 260.3)
- #725000
#725000
oklch(45.6% 0.094 80.3)
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 #2E5597, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.019
- Denim Blue #3B5B92 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.031
- Light Navy #155084 ΔE 0.041
- Twilight #4E518B ΔE 0.042
- Cobalt #1E488F ΔE 0.043
- Dusky Blue #475F94 ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.046
Use #2E5597 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.