#2E7ED9
Closest named color: Water Blue (#0E87CC). oklch(59.2% 0.159 254.4), rgb(46, 126, 217).
Aa
Black text reads best on this color (5.10:1).
About this color
#2E7ED9 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.159 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.036 away. Black text reads best on it, at 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #2E7ED9 |
| RGB | rgb(46, 126, 217) |
| HSL | hsl(212, 69%, 52%) |
| OKLCH | oklch(59.2% 0.159 254.4) |
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 #2E7ED9 | 4.11:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #2E7ED9 | 5.10:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #2E7ED9 text on white | 4.11:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #2E7ED9 text on black | 5.10:1 | AA | Lc -33.8 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF4
oklch(88.5% 0.04 255.3)
-
Step 300
300
#A1C4EF
oklch(81% 0.072 253.8)
-
Step 400
400
#6DA4E6
oklch(70.8% 0.113 253.7)
-
Step 500
500
#448BDF
oklch(63.1% 0.146 254.3)
-
Step 600
600 (this color)
#2E7ED9
oklch(59.2% 0.159 254.4)
-
Step 700
700
#1260B1
oklch(49.1% 0.147 254.2)
-
Step 800
800
#134F90
oklch(42.8% 0.123 254.2)
-
Step 900
900
#184273
oklch(37.7% 0.096 254.4)
-
Step 950
950
#102743
oklch(27% 0.06 254.6)
#2E7ED9 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) | #5185DD | 0.037 |
| Deuteranopia (no green cones) | #3276D7 | 0.021 |
| Tritanopia (no blue cones) | #0094A1 | 0.120 |
| Achromatopsia (no color) | #7D7D7D | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E7ED9
#2E7ED9
oklch(59.2% 0.159 254.4)
- #A97100
#A97100
oklch(59.3% 0.125 74.7)
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 #2E7ED9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.036
- Windows Blue #3778BF ΔE 0.040
- Dark Sky Blue #448EE4 ΔE 0.050
- Royal Blue #4169E1 ΔE 0.056
- Clear Blue #247AFD ΔE 0.057
- Cerulean Blue #056EEE ΔE 0.059
- Cool Blue #4984B8 ΔE 0.060
- Steel Blue #4682B4 ΔE 0.062
Use #2E7ED9 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.