#2D82BA
Closest named color: Steel Blue (#4682B4). oklch(58.2% 0.117 242), rgb(45, 130, 186).
Aa
Black text reads best on this color (5.01:1).
About this color
#2D82BA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.117 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 5.01:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #2D82BA |
| RGB | rgb(45, 130, 186) |
| HSL | hsl(204, 61%, 45%) |
| OKLCH | oklch(58.2% 0.117 242) |
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 #2D82BA | 4.18:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #2D82BA | 5.01:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #2D82BA text on white | 4.18:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #2D82BA text on black | 5.01:1 | AA | Lc -33.1 | 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
#E1EBF3
oklch(93.5% 0.015 241.8)
-
Step 200
200
#C9DCEB
oklch(88.5% 0.029 241.6)
-
Step 300
300
#A3C5E0
oklch(80.8% 0.053 242.3)
-
Step 400
400
#70A7D1
oklch(70.6% 0.085 242.3)
-
Step 500
500
#4791C5
oklch(63.2% 0.108 241.9)
-
Step 600
600 (this color)
#2D82BA
oklch(58.2% 0.117 242)
-
Step 700
700
#136799
oklch(49.2% 0.109 241.8)
-
Step 800
800
#15547C
oklch(42.8% 0.09 242)
-
Step 900
900
#1A4664
oklch(37.9% 0.07 241.9)
-
Step 950
950
#10293A
oklch(27% 0.044 240.8)
#2D82BA 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) | #6883BC | 0.056 |
| Deuteranopia (no green cones) | #5576B9 | 0.044 |
| Tritanopia (no blue cones) | #009096 | 0.081 |
| Achromatopsia (no color) | #7C7C7C | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D82BA
#2D82BA
oklch(58.2% 0.117 242)
- #AC6924
#AC6924
oklch(58.3% 0.118 61.9)
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 #2D82BA, 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 0.023
- Water Blue #0E87CC ΔE 0.029
- Blue NCS #118AB2 ΔE 0.030
- Windows Blue #3778BF ΔE 0.031
- Nice Blue #107AB0 ΔE 0.031
- Off Blue #5684AE ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.045
Use #2D82BA 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.