#40A7CA
Closest named color: Turquoise Blue (#06B1C4). oklch(68.3% 0.106 224.3), rgb(64, 167, 202).
Aa
Black text reads best on this color (7.59:1).
About this color
#40A7CA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.106 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.036 away. Black text reads best on it, at 7.59:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.59:1 |
| White text | 2.76:1 |
Values
| HEX | #40A7CA |
| RGB | rgb(64, 167, 202) |
| HSL | hsl(195, 57%, 52%) |
| OKLCH | oklch(68.3% 0.106 224.3) |
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 #40A7CA | 2.76:1 | Fails | Lc -58.3 | Large or bold text, headings |
| Black text on #40A7CA | 7.59:1 | AAA | Lc 51.0 | Large or bold text, headings |
| #40A7CA text on white | 2.76:1 | Fails | Lc 53.0 | Large or bold text, headings |
| #40A7CA text on black | 7.59:1 | AAA | Lc -48.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DDEDF4
oklch(93.6% 0.019 225.7)
-
Step 200
200
#C0DFEB
oklch(88.5% 0.037 223.2)
-
Step 300
300
#92CAE1
oklch(80.8% 0.066 225.4)
-
Step 400
400 (this color)
#40A7CA
oklch(68.3% 0.106 224.3)
-
Step 500
500
#0098BF
oklch(63.2% 0.119 224.4)
-
Step 600
600
#0080A1
oklch(55.7% 0.105 224.1)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#40A7CA 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) | #93A3CC | 0.082 |
| Deuteranopia (no green cones) | #8095CA | 0.074 |
| Tritanopia (no blue cones) | #00B2B2 | 0.059 |
| Achromatopsia (no color) | #9B9B9B | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A7CA
#40A7CA
oklch(68.3% 0.106 224.3)
- #D08361
#D08361
oklch(68.3% 0.107 44.4)
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 #40A7CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.036
- Greyblue #77A1B5 ΔE 0.052
- Cadet Blue #5F9EA0 ΔE 0.061
- Light Sea Green #20B2AA ΔE 0.068
- Bluegrey #85A3B2 ΔE 0.068
- Bluey Grey #89A0B0 ΔE 0.073
- Faded Blue #658CBB ΔE 0.075
- Topaz #13BBAF ΔE 0.082
Use #40A7CA 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.