#2670D1
Closest named color: Royal Blue (#4169E1). oklch(55.3% 0.166 257), rgb(38, 112, 209).
Aa
White text reads best on this color (4.86:1).
About this color
#2670D1 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.166 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.037 away. White text reads best on it, at 4.86:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.32:1 |
| White text | 4.86:1 |
Values
| HEX | #2670D1 |
| RGB | rgb(38, 112, 209) |
| HSL | hsl(214, 69%, 48%) |
| OKLCH | oklch(55.3% 0.166 257) |
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 #2670D1 | 4.86:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #2670D1 | 4.32:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #2670D1 text on white | 4.86:1 | AA | Lc 73.2 | Content text, not long reading |
| #2670D1 text on black | 4.32:1 | AA large text | Lc -28.5 | Dividers and decoration only |
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
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DBF5
oklch(88.5% 0.041 256.2)
-
Step 300
300
#A2C3F1
oklch(80.9% 0.075 256.7)
-
Step 400
400
#6FA2EA
oklch(70.6% 0.119 257.1)
-
Step 500
500
#4789E4
oklch(63.1% 0.153 257)
-
Step 600
600 (this color)
#2670D1
oklch(55.3% 0.166 257)
-
Step 700
700
#195EB6
oklch(49.1% 0.155 257)
-
Step 800
800
#184D93
oklch(42.7% 0.128 257.1)
-
Step 900
900
#1A4175
oklch(37.7% 0.099 256.7)
-
Step 950
950
#102645
oklch(26.9% 0.064 257.3)
#2670D1 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) | #3A79D5 | 0.031 |
| Deuteranopia (no green cones) | #046ACF | 0.023 |
| Tritanopia (no blue cones) | #008796 | 0.126 |
| Achromatopsia (no color) | #717171 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2670D1
#2670D1
oklch(55.3% 0.166 257)
- #986800
#986800
oklch(55.4% 0.116 77)
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 #2670D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.037
- Windows Blue #3778BF ΔE 0.041
- Cerulean Blue #056EEE ΔE 0.046
- Mid Blue #276AB3 ΔE 0.048
- French Blue #436BAD ΔE 0.058
- Neon Blue #4361EE ΔE 0.062
- Nice Blue #107AB0 ΔE 0.064
- Water Blue #0E87CC ΔE 0.064
Use #2670D1 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.