#2C7BB7
Closest named color: Nice Blue (#107AB0). oklch(56.4% 0.12 245.5), rgb(44, 123, 183).
Aa
Black text reads best on this color (4.62:1).
About this color
#2C7BB7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.120 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Nice Blue (#107AB0), ΔE 0.018 away. Black text reads best on it, at 4.62:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Nice Blue (#107AB0) |
| Black text | 4.62:1 |
| White text | 4.54:1 |
Values
| HEX | #2C7BB7 |
| RGB | rgb(44, 123, 183) |
| HSL | hsl(206, 61%, 45%) |
| OKLCH | oklch(56.4% 0.12 245.5) |
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 #2C7BB7 | 4.54:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #2C7BB7 | 4.62:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #2C7BB7 text on white | 4.54:1 | AA | Lc 71.2 | Content text, not long reading |
| #2C7BB7 text on black | 4.62:1 | AA | Lc -30.5 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADCEC
oklch(88.6% 0.029 244.9)
-
Step 300
300
#A4C5E2
oklch(80.9% 0.054 245.1)
-
Step 400
400
#72A6D3
oklch(70.6% 0.086 245.5)
-
Step 500
500
#4B8FC8
oklch(63% 0.111 246.1)
-
Step 600
600 (this color)
#2C7BB7
oklch(56.4% 0.12 245.5)
-
Step 700
700
#1B659B
oklch(49% 0.111 245.6)
-
Step 800
800
#19537E
oklch(42.7% 0.092 245.2)
-
Step 900
900
#1C4565
oklch(37.7% 0.072 245)
-
Step 950
950
#12283B
oklch(26.9% 0.045 246.6)
#2C7BB7 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) | #5F7DBA | 0.049 |
| Deuteranopia (no green cones) | #4C70B6 | 0.037 |
| Tritanopia (no blue cones) | #008A90 | 0.087 |
| Achromatopsia (no color) | #767676 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C7BB7
#2C7BB7
oklch(56.4% 0.12 245.5)
- #A46512
#A46512
oklch(56.4% 0.119 66.1)
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 #2C7BB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Nice Blue #107AB0 ΔE 0.018
- Windows Blue #3778BF ΔE 0.018
- Flat Blue #3C73A8 ΔE 0.029
- Steel Blue #4682B4 ΔE 0.032
- Cool Blue #4984B8 ΔE 0.037
- Water Blue #0E87CC ΔE 0.041
- Muted Blue #3B719F ΔE 0.042
- Cerulean #457B9D ΔE 0.044
Use #2C7BB7 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.