#2487AC
Closest named color: Blue NCS (#118AB2). oklch(58.5% 0.103 228.3), rgb(36, 135, 172).
Aa
Black text reads best on this color (5.13:1).
About this color
#2487AC is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.103 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.011 away. Black text reads best on it, at 5.13:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.13:1 |
| White text | 4.08:1 |
Values
| HEX | #2487AC |
| RGB | rgb(36, 135, 172) |
| HSL | hsl(196, 65%, 41%) |
| OKLCH | oklch(58.5% 0.103 228.3) |
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 #2487AC | 4.08:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #2487AC | 5.13:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #2487AC text on white | 4.08:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #2487AC text on black | 5.13:1 | AA | Lc -34.0 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A2C7D9
oklch(80.9% 0.047 229)
-
Step 400
400
#6DAAC5
oklch(70.7% 0.074 227.8)
-
Step 500
500
#4194B7
oklch(63% 0.095 228.8)
-
Step 600
600 (this color)
#2487AC
oklch(58.5% 0.103 228.3)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#0B5771
oklch(42.7% 0.079 227.9)
-
Step 900
900
#16485C
oklch(37.8% 0.062 228.6)
-
Step 950
950
#0F2A36
oklch(27% 0.04 229.8)
#2487AC 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) | #7485AE | 0.074 |
| Deuteranopia (no green cones) | #6278AC | 0.064 |
| Tritanopia (no blue cones) | #009193 | 0.057 |
| Achromatopsia (no color) | #7D7D7D | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2487AC
#2487AC
oklch(58.5% 0.103 228.3)
- #AD6842
#AD6842
oklch(58.6% 0.103 48.7)
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 #2487AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.011
- Teal Blue #01889F ΔE 0.025
- Steel Blue #4682B4 ΔE 0.031
- Cool Blue #4984B8 ΔE 0.035
- Cerulean #457B9D ΔE 0.039
- Off Blue #5684AE ΔE 0.039
- Nice Blue #107AB0 ΔE 0.043
- Dusty Blue #5A86AD ΔE 0.043
Use #2487AC 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.