#2E83BC
Closest named color: Steel Blue (#4682B4). oklch(58.6% 0.118 242.4), rgb(46, 131, 188).
Aa
Black text reads best on this color (5.08:1).
About this color
#2E83BC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.118 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.020 away. Black text reads best on it, at 5.08:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 5.08:1 |
| White text | 4.12:1 |
Values
| HEX | #2E83BC |
| RGB | rgb(46, 131, 188) |
| HSL | hsl(204, 61%, 46%) |
| OKLCH | oklch(58.6% 0.118 242.4) |
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 #2E83BC | 4.12:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #2E83BC | 5.08:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #2E83BC text on white | 4.12:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #2E83BC text on black | 5.08:1 | AA | Lc -33.6 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCEB
oklch(88.5% 0.029 241.6)
-
Step 300
300
#A3C5E1
oklch(80.8% 0.054 243.3)
-
Step 400
400
#70A7D2
oklch(70.7% 0.086 242.9)
-
Step 500
500
#4791C6
oklch(63.2% 0.109 242.4)
-
Step 600
600 (this color)
#2E83BC
oklch(58.6% 0.118 242.4)
-
Step 700
700
#136699
oklch(49% 0.11 242.6)
-
Step 800
800
#15547C
oklch(42.8% 0.09 242)
-
Step 900
900
#1A4564
oklch(37.6% 0.071 243.3)
-
Step 950
950
#10293B
oklch(27.1% 0.046 242.4)
#2E83BC 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) | #6984BF | 0.057 |
| Deuteranopia (no green cones) | #5577BB | 0.043 |
| Tritanopia (no blue cones) | #009197 | 0.082 |
| Achromatopsia (no color) | #7D7D7D | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E83BC
#2E83BC
oklch(58.6% 0.118 242.4)
- #AD6A24
#AD6A24
oklch(58.6% 0.118 62.2)
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 #2E83BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.020
- Cool Blue #4984B8 ΔE 0.022
- Water Blue #0E87CC ΔE 0.026
- Blue NCS #118AB2 ΔE 0.030
- Windows Blue #3778BF ΔE 0.032
- Nice Blue #107AB0 ΔE 0.035
- Off Blue #5684AE ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.046
Use #2E83BC 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.